Dyfyniad APA

Border and Regional Studies | University of Opole. Cambridge University Press.

Dyfyniad Arddull Chicago

Border and Regional Studies | University of Opole. Cambridge University Press.

Dyfyniad MLA

Border and Regional Studies | University of Opole. Cambridge University Press.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.